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Droplet Wetting and Evaporation

2015-05-11 Science
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Release : 2015-05-11
Genre : Science
Kind : eBook
Book Rating : 083/5 ( reviews)

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Book Synopsis Droplet Wetting and Evaporation by : David Brutin

Download or read book Droplet Wetting and Evaporation written by David Brutin. This book was released on 2015-05-11. Available in PDF, EPUB and Kindle. Book excerpt: Droplet Wetting and Evaporation provides engineers, students, and researchers with the first comprehensive guide to the theory and applications of droplet wetting and evaporation. Beginning with a relevant theoretical background, the book moves on to consider specific aspects, including heat transfer, flow instabilities, and the drying of complex fluid droplets. Each chapter covers the principles of the subject, addressing corresponding practical issues and problems. The text is ideal for a broad range of domains, from aerospace and materials, to biomedical applications, comprehensively relaying the challenges and approaches from the different communities leading the way in droplet research and development. - Provides a broad, cross-subject coverage of theory and application that is ideal for engineers, students and researchers who need to follow all major developments in this interdisciplinary field - Includes comprehensive discussions of heat transfer, flow instabilities, and the drying of complex fluid droplets - Begins with an accessible summary of fundamental theory before moving on to specific areas such as heat transfer, flow instabilities, and the drying of complex fluid droplets

Wetting and Evaporation: Droplets of Pure and Complex Fluids

2013
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Release : 2013
Genre :
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Book Synopsis Wetting and Evaporation: Droplets of Pure and Complex Fluids by :

Download or read book Wetting and Evaporation: Droplets of Pure and Complex Fluids written by . This book was released on 2013. Available in PDF, EPUB and Kindle. Book excerpt:

Microscale Surface Tension and Its Applications

2019-10-21 Technology & Engineering
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Release : 2019-10-21
Genre : Technology & Engineering
Kind : eBook
Book Rating : 647/5 ( reviews)

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Book Synopsis Microscale Surface Tension and Its Applications by : Pierre Lambert

Download or read book Microscale Surface Tension and Its Applications written by Pierre Lambert. This book was released on 2019-10-21. Available in PDF, EPUB and Kindle. Book excerpt: Building on advances in miniaturization and soft matter, surface tension effects are a major key to the development of soft/fluidic microrobotics. Benefiting from scaling laws, surface tension and capillary effects can enable sensing, actuation, adhesion, confinement, compliance, and other structural and functional properties necessary in micro- and nanosystems. Various applications are under development: microfluidic and lab-on-chip devices, soft gripping and manipulation of particles, colloidal and interfacial assemblies, fluidic/droplet mechatronics. The capillary action is ubiquitous in drops, bubbles and menisci, opening a broad spectrum of technological solutions and scientific investigations. Identified grand challenges to the establishment of fluidic microrobotics include mastering the dynamics of capillary effects, controlling the hysteresis arising from wetting and evaporation, improving the dispensing and handling of tiny droplets, and developing a mechatronic approach for the control and programming of surface tension effects. In this Special Issue of Micromachines, we invite contributions covering all aspects of microscale engineering relying on surface tension. Particularly, we welcome contributions on fundamentals or applications related to: Drop-botics: fluidic or surface tension-based micro/nanorobotics: capillary manipulation, gripping, and actuation, sensing, folding, propulsion and bio-inspired solutions; Control of surface tension effects: surface tension gradients, active surfactants, thermocapillarity, electrowetting, elastocapillarity; Handling of droplets, bubbles and liquid bridges: dispensing, confinement, displacement, stretching, rupture, evaporation; Capillary forces: modelling, measurement, simulation; Interfacial engineering: smart liquids, surface treatments; Interfacial fluidic and capillary assembly of colloids and devices; Biological applications of surface tension, including lab-on-chip and organ-on-chip systems.

Evaporation-induced Non-wetting Droplets on Superhydrophilic Surfaces

2012
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Release : 2012
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Book Synopsis Evaporation-induced Non-wetting Droplets on Superhydrophilic Surfaces by : Solomon E. Adera

Download or read book Evaporation-induced Non-wetting Droplets on Superhydrophilic Surfaces written by Solomon E. Adera. This book was released on 2012. Available in PDF, EPUB and Kindle. Book excerpt: A droplet deposited on a rough, lyophilic surface satisfying the imbibition condition, results in spontaneous spreading and hence complete wetting. However, in this thesis, we demonstrate that this wetting behavior can be altered by superheating the substrate such that droplets can reside in a non-wetting state due to evaporation. Photolithography and deep reactive ion etching were used to fabricate well-defined silicon micropillar arrays with a square pattern with varying pillar diameter, height, and center-to-center spacing. Water droplets placed on these microstructured surfaces at room temperature demonstrated superhydrophilic behavior with liquid filling the voids between pillars resulting in very low contact angle, and hence complete wetting. However, when the microstructured surface was superheated above a critical superheat, the superhydrophilicity was lost and non-wetting droplets were formed on the top surface of the micropillar array structure. The superheat required to deposit a non-wetting droplet (> 75°C) was found to be significantly higher than that required to sustain an already deposited non-wetting droplet (

Surface Wetting

2015-11-18 Technology & Engineering
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Release : 2015-11-18
Genre : Technology & Engineering
Kind : eBook
Book Rating : 143/5 ( reviews)

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Book Synopsis Surface Wetting by : Kock-Yee Law

Download or read book Surface Wetting written by Kock-Yee Law. This book was released on 2015-11-18. Available in PDF, EPUB and Kindle. Book excerpt: This book describes wetting fundamentals and reviews the standard protocol for contact angle measurements. The authors include a brief overview of applications of contact angle measurements in surface science and engineering. They also discuss recent advances and research trends in wetting fundamentals and include measurement techniques and data interpretation of contract angles.

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